I029 over Nine Mile Ck
Good Condition68 years old33,530 vehicles/day
Location
| State | South Dakota |
| County | Lincoln |
| Location | 4.5 S Minnehaha Co Line |
| Carries | I029 |
| Crosses | Nine Mile Ck |
| Coordinates | 43.43571, -96.79624 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 30.8 ft (9.4 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Area | 229.4 sq m |
| Main Spans | 3 |
| Year Built | 1958 |
Traffic
| Avg Daily Traffic | 33,530 (2023) |
| Truck Traffic | 18% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 821 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000042065047 |